On Sun, 2022-01-16 at 15:53 -0600, Thomas Cameron wrote:
> All of a sudden with F35, no matter what the address of the VM is,
> its hostname is set to fedora. Just fedora. Not
>
fedora.tc.camerontech.com.
I see your pain, that doesn't really work well when you have several
Fedora PCs, does it? (I'm Spartacus, and I'm Spartacus, too.)
My quirky humour would have put into the install routine a "name your
computer" question. And if you didn't, it'd randomly pick a name from
a list to each computer (George, Fred, Jenny, etc) for you.
> I want F35 to have the same behavior as previous versions of Fedora
> and RHEL and Ubuntu and so on. I don't want to manually set
> /etc/hostname and monkey with hostnamectl because if the VM gets a
> new address, I don't want to have to go and change /etc/hostname or
> anything.
>
> I've been poking around with /etc/NetworkManager/NetworkManager.conf
What about customising the dhcp client config? So it accepts the
hostname name supplied from your DHCP server, or derived from your
reverse DNS lookup, and passes it to whatever is setting the hostname
on Fedora these days.
Like you, that's what I expect to happen, *unless* the user specifies
otherwise.
dhcp server of libvirt is dnsmasq. It would provide hostnames when it
has matching dhcp-record with IP and name (and hwaddr). With libvirt,
that would be set by <ip><dhcp><host name='whatever'> in
network
configuration xml. I think it should use also /etc/hosts of the host.
But dnsmasq can assign lease just by name if hwaddr is not present in
static leases. But that requires static hostname on Fedora side to be
sent to the server.
How does virsh net-dumpxml <network> look like?
--
Petr Menšík
Software Engineer
Red Hat,
email: pemensik(a)redhat.com
PGP: DFCF908DB7C87E8E529925BC4931CA5B6C9FC5CB